{"result":{"text":"I f space 2 f open parentheses x y close parentheses equals open parentheses f open parentheses x close parentheses close parentheses to the power of y plus open parentheses f open parentheses y close parentheses close parentheses to the power of x for all x comma y space and space f open parentheses 1 close parentheses equals 2 comma space then stack space sum with n equals 1 below and 9 on top f open parentheses n close parentheses equals......................."},"status":"ok"}